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An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 5 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.

(a) What is the probability Linda Lahey, company president, received exactly 3 email between 4 P.M. and 5 P.M. yesterday? (Round your answer to 4 decimal places.)

(b) What is the probability she received 5 or more emails during the same period? (Round your answer to 4 decimal places.)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9999434

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